Production of fused oxazoline azetidinones

Details Production of fused oxazoline azetidinones Production of fused oxazoline azetidinones

1974-08-26

1976-10-12

Rush, Raymond V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D49804

Patent

active

039857646

ABSTRACT:
Chlorinated esters of anhydrobenzylpenicillin are reacted with alumina or silica gel to produce fused oxazoline azetidinones. One product may be named methyl 2-(3-benzyl-7-oxo-4-oxa-2,6-diazabicyclo[3,2,0]hept-2-en-6-yl)-3-methylbut -2-enoate or 2-benzyl-6-(1'-methoxycarbonyl-2'-methylprop-1'-enyl)-1-oxa-3,6-diaza-4S,5 R-bicyclo[3,2,0]hept-2-en-7-one.

REFERENCES:
patent: 3840556 (1974-10-01), Kujolka
Frump-Chem. Revs. 1971, vol. 71, No. 5, p. 486.

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